Clean Thesaurus Lookup with Multi-word Intersection

thx.sh

#!/usr/bin/env bash
#
#  Clean Thesaurus Lookup with Multi-word Intersection
#
#  Author: Charney Kaye <charney.io>
#
#  Requires *nix packages:
#    dict dictd dict-moby-thesurus
#

# prefix to temporary saved text files
Saved=tmp/thx-

# arguments
if [ "$#" -eq 1 ]; then
  LOOKUP=1
  Word1=$1
elif [ "$#" -eq 2 ]; then
  LOOKUP=2
  Word1=$1
  Word2=$2
elif [ "$#" -eq 3 ]; then
  LOOKUP=3
  Word1=$1
  Word2=$2
  Word3=$3
else
  echo "Currently only supports lookups between 1 and 3 words."
  exit 1
fi

#
function ThesaurusLookup() {
  dict -d moby-thesaurus ${1} | tail -n +6 | sed -e 's/,/\n/g' | sed -e 's/^\s*//g' | sed '/^$/d' | sort
}

# lookups
if [ ${LOOKUP} -eq 1 ]; then
  ThesaurusLookup ${Word1} | tee ${Saved}${Word1}
elif [ ${LOOKUP} -eq 2 ]; then
  ThesaurusLookup ${Word1} > ${Saved}${Word1}
  ThesaurusLookup ${Word2} > ${Saved}${Word2}
  comm -1 -2 ${Saved}${Word1} ${Saved}${Word2}
elif [ ${LOOKUP} -eq 3 ]; then
  ThesaurusLookup ${Word1} > ${Saved}${Word1}
  ThesaurusLookup ${Word2} > ${Saved}${Word2}
  ThesaurusLookup ${Word3} > ${Saved}${Word3}
  comm -1 -2 ${Saved}${Word1} ${Saved}${Word2} > ${Saved}${Word1}-${Word2}
  comm -1 -2 ${Saved}${Word1}-${Word2} ${Saved}${Word3}
fi